Line Graph






http://www.mathgoodies.com/lessons/graphs/line.html

http://nces.ed.gov/nceskids/graphing/classic/line.asp

http://mste.illinois.edu/courses/ci330ms/youtsey/lineinfo.html

http://www.mathleague.com/help/data/data.htm

http://www.mcwdn.org/Graphs/LineGraph.html